
1) Ceiba
Found on
https://www.crosswordclues.com/clue/kapok

1) Cushion filling 2) Insulation material 3) Java cotton 4) Life preserver filler 5) Life preserver material 6) Life preserver stuffing 7) Life-jacket innards 8) Life-jacket material 9) Life-jacket stuffing 10) Life-preserver filling 11) Life-preserver stuffing 12) Massive tropical tree 13) Material for pillow stuffing
Found on
https://www.crosswordclues.com/clue/kapok

• (n.) A silky wool derived from the seeds of Ceiba pentandra (syn. Eriodendron anfractuosum), a bombaceous tree of the East and West Indies.
Found on
http://thinkexist.com/dictionary/meaning/kapok/

seed-hair fibre obtained from the fruit of the kapok tree or the kapok tree itself. The kapok is a gigantic tree of the tropical forest canopy and ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/k/10

A fiber obtained from the seed hairs of the ceiba tree. See also ceiba, java cotton, and silk cotton.
Found on
http://www.chezirene.com/articles/precostuming/pc110-glossary.html

A short, lightweight, cotton like, vegetable fiber found in the seed pods of the Bombocaceae tree. Because of its brittle quality, it is generally not spun. However, its buoyancy and moisture resistance makes it ideal for use in cushions, mattresses, and life jackets.
Found on
http://www.duralee.com/Fabric-Glossary.htm
Ka·pok' noun [ Prob. from the native name.]
(Botany) A silky wool derived from the seeds of
Ceiba pentandra (syn.
Eriodendron anfractuosum ), a bombaceous tree of the East and West Indies.
Found on
http://www.encyclo.co.uk/webster/K/2

A short, lightweight, cotton-like, vegetable fiber found in the seed pods of the Bombocaceae tree. Because of its brittle quality, it is generally not spun. However, its buoyancy and moisture resistance makes it ideal for use in cushions, mattresses, and life jackets.
Found on
http://www.fabriclink.com/dictionaries/performanceglossary.cfm

Kapok or silk cotton, is a silky fibre obtained from the hairs covering the seeds of the kapok tree or silk-cotton tree (Ceiba pentandra). Kapok is used for stuffing pillows. Mattresses and cushions and for sound insulation.
Found on
http://www.probertencyclopaedia.com/browse/AK.HTM

from kapuk, 'a fine fibrous substance which grows around the seeds of a ceiba or silk-cotton tree, used as stuffing for cushions'
Found on
http://www.translationdirectory.com/glossaries/glossary178.htm

[
n] - from the kapok tree 2. [n] - massive tropical tree with deep ridges on its massive trunk and bearing large pods of seeds covered with silky floss
Found on
http://www.webdictionary.co.uk/definition.php?query=kapok

Used as an insulating or flotation material it comes from the seed hairs of the kapok tree (Ceiba Pentranda).
Found on
https://www.encyclo.co.uk/local/20687

Silky hairs that surround the seeds of certain trees, particularly the kapok tree (
Bombax ceiba) of India and Malaysia and the silk-cotton tree (
Ceiba pentandra) of tropical America. Kapok is used for stuffing cushions and mattresses and for sound insulation; oil obtained from the seeds is used in food ...
Found on
https://www.encyclo.co.uk/local/21221

A short, lightweight, cotton-like, vegetable fiber found in the seed pods of the Bombocaceae tree. Because of its brittle quality, it is generally not spun. However, its buoyancy and moisture resistance makes it ideal for use in cushions, mattresses, and life jackets.
Found on
https://www.encyclo.co.uk/local/22119

A lightweight vegetable fiber found in the seed pods of the Bombocaceae tree, native to Central and South America. The fiber is water resistant and buoyant, and while difficult to spin and weave, is often found as filling in mattresses, pillows, life vests and upholstery.
Found on
https://www.encyclo.co.uk/local/22120

the silky down that invests the seeds of a silk-cotton tree Ceiba pentandra, of the East Indies, Africa, and tropical America: used for stuffing pillows, life jackets, etc., and for acoustical insulation. Also called
Found on
https://www.infoplease.com/dictionary/kapok
No exact match found.